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Filing Names

Lafarge Platres
Lafarge Gypsum International
Lafarge Canada Inc
Lafarge Platers
Lafarge Roofing Technical Centers Gmbh

Lafarge patents

Recent patent applications related to Lafarge. Lafarge is listed as an Agent/Assignee. Note: Lafarge may have other listings under different names/spellings. We're not affiliated with Lafarge, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Lafarge-related inventors

A hydraulic composition for the construction of pavements

A hydraulic composition for the construction of pavements, and in particular for the repair of pavements, includes a hydraulic binder including a cement, 0.18% to 0.35% of a superplasticiser, where the percentage is expressed by dry weight compared to the cement, and where the superplasticiser includes a branched polymer including... Lafarge

Novel hydraulic binder and hydraulic composition comprising same

A hydraulic binder which includes a clinker with a specific shape, the clinker including as main phases, given as weight percentages relative to the total weight of the clinker: (i) 70 to 95% of a belite phase having a particle size such that the Dv50 ranges from 5 to 15... Lafarge

Method for the continuous production of a low-density mineral foam

A method for the continuous production of a mineral foam of which the density in the dry state (d) is from 40 to 600 kg/m3, includes (i) mixing cement; a water reducing agent; 0.5 to 10%, % by weight with respect to the total weight of cement, of ultrafine particles... Lafarge

Section of concrete

A section of concrete intended to form a mast for a windmill, the section including a first portion including a first flange, a second portion including a second flange, a prestressing device including at least one visible part located between the first flange and the second flange, a first attaching... Lafarge

Oxy-calcination process

Method and installation for calcining cement raw meal in a calciner whereby fuel and a calciner oxidant having an oxygen content of at least 30% vol are introduced into the calciner so as to generate either an oxidant-lean zone or a fuel-lean zone in the calciner located between the lowermost... Lafarge

Ultra-light mineral foam and producing same

A method for producing a mineral foam includes: (i) independently preparing a cement slurry and an aqueous foam, the cement slurry being prepared by mixing water E and cement C, the cement C including a soluble equivalent quantity x of Na2O, x being expressed by weight for 100 parts cement,... Lafarge

Novel ultra-high performance concrete

A hydraulic composition includes in relative parts by mass with respect to the cement 100 parts of cement the particles of which have a BET specific surface area comprised from 1.20 to 5 m2/g; 32 to 42 parts of water; 5 to 50 parts of a mineral addition A1 the... Lafarge

Ultra-high performance concretes having a low cement content

A hydraulic binder includes, as percentage by mass: from 17 to 55% of a Portland cement, the particles of which have a D50 of from 2μm to 11 μm; at least 5% of silica fume; from 36 to 70% of a mineral addition A1, the particles of which have a... Lafarge

Photovoltaic concrete, its manufacture and construction element including such a concrete

A concrete having a smooth surface, which is wholly or partly coated with a polymer film obtained by polymerisation under the action of radiation, where the film is itself wholly or partly coated with a thin photovoltaic film.... Lafarge

Ultra-high performance non-self-consolidating concrete

A hydraulic binder includes in mass percent from 20 to 82% of a Portland cement the particles of which have a D50 comprised from 2 μm to 11 μm; from 15 to 56% of a non-pozzolanic mineral addition A1, the particles of which have a D50 from 1 to 150... Lafarge

Belite sulfoaluminate binder

A hydraulic binder includes a belite sulfoaluminate clinker and silica having a BET specific surface area in nitrogen of at least 50 m2/g, the quantity of silica being lower than or equal to 5%, the percentage being expressed as a mass percentage in relation to the mass of the binder.... Lafarge

Method for producing an insulating composite building block

A method for producing an insulating composite block including a mineral foam, includes: providing a block including at least one cell having walls which are either sufficiently humid or consist of a water-repellent material, and b. filling the cell with a mineral foam that does not substantially include any calcium... Lafarge

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Lafarge in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Lafarge with additional patents listed. Browse our Agent directory for other possible listings. Page by